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A068414 as a simple table

n a(n)
1 1
2 12
3 56
4 260
5 992
6 1976
7 2156
8 2754
9 16256
10 25232
11 41072
12 133984
13 145888
14 1100864
15 1270208
16 1439552
17 2237888
18 4729664
19 67100672
20 75398912
21 171627376
22 277060144
23 473089984
24 538178048
25 558585344
26 629225984
27 1192258048
28 1863840112
29 2181070592
30 4534854656

[1,12,56,260,992,1976,2156,2754,16256,25232,41072,
 133984,145888,1100864,1270208,1439552,2237888,
 4729664,67100672,75398912,171627376,277060144,
 473089984,538178048,558585344,629225984,
 1192258048,1863840112,2181070592,4534854656]

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Last modified June 4 06:06 EDT 2024. Contains 373089 sequences. (Running on oeis4.)